Weather forecast for tomorrowSebastian, FL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 81°F
- 73°F
PM Showers / Wind
- Precip. probability: 35%
- Precipitation: 0.08"
- Wind: 22mphNE 36°
- Humidity: 67%
- UV index: 7
- Sunrise: 7:23 am EDT
- Sunset: 6:49 pm EDT
- details ▼
On Sunday, October 18, windy conditions and intermittent rain showers are anticipated.
Minimal precipitation is predicted for tomorrow. A daytime temperature reaching up to a warm 80.6°F will subtly contrast with a nighttime low of a temperate 73.4°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at 84.2°F.
Tomorrow, the maximum temperature is forecasted to be in line with the typical October high of 81.3°F.
Sunrise will be at 7:23 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 26min.
Minimal precipitation is predicted for tomorrow. A daytime temperature reaching up to a warm 80.6°F will subtly contrast with a nighttime low of a temperate 73.4°F.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at 84.2°F.
Tomorrow, the maximum temperature is forecasted to be in line with the typical October high of 81.3°F.
Sunrise will be at 7:23 am and sunset at 6:49 pm; tomorrow's daylight will last for 11h and 26min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 82°C.
Coldest period: 12 am - 6 am 75°C.
Coldest period: 12 am - 6 am 75°C.
Chance of precipitation
Highest chance: 9 pm 42%.
Hourly weather forecast
- 12 am
- 75°F
- Feels like:75°F
Cloudy / Wind
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 21mphNNE 12°
- Humidity: 77%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 75°F
- Feels like:75°F
Cloudy / Wind
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 21mphNNE 21°
- Humidity: 73%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 75°F
- Feels like:75°F
Cloudy / Wind
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 20mphNNE 26°
- Humidity: 72%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 73°F
- Feels like:75°F
Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 18mphNNE 30°
- Humidity: 73%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:23 am
- 8 am
- 73°F
- Feels like:75°F
Mostly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 17mphNNE 32°
- Humidity: 73%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:81°F
Mostly Cloudy / Wind
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 20mphNE 36°
- Humidity: 67%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 79°F
- Feels like:82°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 21mphNE 39°
- Humidity: 63%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 7
- details ▼
- 2 pm
- 81°F
- Feels like:82°F
Showers / Wind
- Precip. probability: 35%
- Precipitation: 0.04"
- Wind: 21mphNE 39°
- Humidity: 64%
- Pressure: 30.09"Hg
- Visibility: 7mi
- UV index: 7
- details ▼
- 4 pm
- 79°F
- Feels like:82°F
Partly Cloudy / Wind
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 21mphNE 43°
- Humidity: 67%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 6 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 19mphNE 37°
- Humidity: 69%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:49 pm
- 8 pm
- 77°F
- Feels like:81°F
Few Showers
- Precip. probability: 33%
- Precipitation: 0.04"
- Wind: 17mphNE 39°
- Humidity: 72%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 77°F
- Feels like:81°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 18mphNE 44°
- Humidity: 73%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and rainy weather is expected.
With minimal precipitation of 0.04", rainfall is expected at 2 pm, 3 pm, and from 7 pm to 9 pm.
The temperature will be between the lowest temperature of 73.4°F and the highest temperature of 80.6°F. The warmest part of the day will be at 1 pm and 2 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The nighttime low tomorrow will be also resembling October's typical minimum temperature.
With minimal precipitation of 0.04", rainfall is expected at 2 pm, 3 pm, and from 7 pm to 9 pm.
The temperature will be between the lowest temperature of 73.4°F and the highest temperature of 80.6°F. The warmest part of the day will be at 1 pm and 2 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The nighttime low tomorrow will be also resembling October's typical minimum temperature.
Updated: Oct 17, 2026 @ 22:57:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, expect heavy winds with light rain showers later in the day.
Tomorrow, there is a low probability of minimal rainfall in Sebastian.
Tomorrow, the highest temperature will be 80.6°F, while the lowest temperature will be 73.4°F. The maximum heat index, which measures the combined effect of heat and moisture, is appraised at 84.2°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be also in line with the average low temperature.
On Sunday, in Sebastian, sunrise will be at 7:23 am and sunset at 6:49 pm (EDT).
In Sebastian, tomorrow, there will be 11h and 26min of daylight.





